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US 5,247,998 AGranted
Chimney fire extinguishing apparatus
OwnerEdward C. Falloninventor
Life of this patent
Estimating the term…
Abstract
An apparatus arranged to orient a closure cap over an entrance opening of a chimney stack to prevent a fire from projecting through the stack with the apparatus to include a spring-biased member and a fusible link permitting release of a plug member to secure the plug member within the chimney stack upon release of the fusible link.
Claims5
A chimney fire extinguishing apparatus arranged for securement to a chimney stack, wherein the apparatus comprises,
- a chimney cap, the cap having a cap bottom wall spaced from a cap top wall and a cap side wall, with the chimney cap including a cap entrance opening directed into the cap from the cap top wall, with a cap central opening extending through the cap from the cap entrance opening to the cap bottom wall, and
- a plurality of guide rods fixedly and orthogonally mounted to the cap top wall in a spaced surrounding relationship relative to the cap entrance opening, with a rain cap mounted to the guide rods, with the rain cap arranged in a spaced relationship above the cap top wall, and
- a plug member, with the plug member having a first portion arranged for reception with the cap entrance opening, and a second portion extending laterally and in surrounding relationship relative to the first portion, with the second portion slidably receiving the guide rods therethrough, and
- biasing means for biasing the plug member from a first position spaced relative to the cap top wall to a second position, with the plug member received within the entrance opening.
1 more element
Dependencies are inferred from the claim text.